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I'm giving close vote to this as too-localized since OP already solved the problem
–
Anwar ShahSep 27 '12 at 8:16

Looks like conflict between google-earth package and Wine. OP has linked to the bug report.. Closing this question.
–
jokerdino♦Sep 27 '12 at 9:49

So I went ahead and installed playonlinux despite all dependency issues. Turns out that it was no problem reinstalling all the packages afterwards. I still don't quite understand why this was necessary in the first place.